Water Quality: Marshfield, WI
6 water systems • 19,392 people served
Multiple Health ViolationsWater Quality Summary
Marshfield is served by 6 public water systems with a combined service population of 19,392 people, and has 121 EPA Safe Drinking Water Act violations on record. Critically, 6 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Marshfield's violation count is 270% above the national average for Wisconsin. Contaminants associated with violations include Chlorine Dioxide, Disinfection Byproducts.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Water Systems Serving Marshfield
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MARSHFIELD UTILITIES | WI7720165 | Groundwater | 18,815 | 2 |
| SPRING GREEN ESTATES | WI1570110 | Groundwater | 300 | 4 |
| BOARDWALK MHC LLC | WI7370540 | Groundwater | 130 | 10 |
| BALTIC RENTALS LLC | WI7640083 | Groundwater | 75 | 13 |
| SPRING GREEN ESTATES SOUTH | WI1571282 | Groundwater | 40 | 3 |
| SPRING GREEN ESTATES NORTH | WI1571284 | Groundwater | 32 | 89 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Wisconsin
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.